2057449900 has 72 divisors (see below), whose sum is σ = 4879062720. Its totient is φ = 746856000.

The previous prime is 2057449879. The next prime is 2057449937. The reversal of 2057449900 is 99447502.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 811635 + ... + 814165.

It is an arithmetic number, because the mean of its divisors is an integer number (67764760).

Almost surely, 2^2057449900 is an apocalyptic number.

2057449900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2057449900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2439531360).

2057449900 is an abundant number, since it is smaller than the sum of its proper divisors (2821612820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2057449900 is a wasteful number, since it uses less digits than its factorization.

2057449900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295 (or 3288 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 2057449900 is about 45359.1214641554. The cubic root of 2057449900 is about 1271.8710717722.

The spelling of 2057449900 in words is "two billion, fifty-seven million, four hundred forty-nine thousand, nine hundred".